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  <title>将 quoted-printable 字符串转换为 8-bit 字符串</title>
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  <div id="layout-content"><div id="function.quoted-printable-decode" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">quoted_printable_decode</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">quoted_printable_decode</span> &mdash; <span class="dc-title">将 quoted-printable 字符串转换为 8-bit 字符串</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.quoted-printable-decode-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>quoted_printable_decode</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$str</code></span>
   ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">
   该函数返回 quoted-printable 解码之后的 8-bit 字符串 (参考 <a href="http://www.faqs.org/rfcs/rfc2045" class="link external">&raquo;&nbsp;RFC2045</a> 的6.7章节，而不是 <a href="http://www.faqs.org/rfcs/rfc2821" class="link external">&raquo;&nbsp;RFC2821</a> 的4.5.2章节，so additional periods are not stripped from the beginning of line)
  </p>
  <p class="para">
   该函数与 <span class="function"><a href="imap_qprint.html" class="function">imap_qprint()</a></span> 函数十分相似，但是该函数不需要依赖 IMAP 模块。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.quoted-printable-decode-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">str</code></dt>

     <dd>

      <p class="para">
       输入的字符串。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.quoted-printable-decode-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   返回的 8-bit 二进制字符串。
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.quoted-printable-decode-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="quoted_printable_encode.html" class="function" rel="rdfs-seeAlso">quoted_printable_encode()</a> - 将 8-bit 字符串转换成 quoted-printable 字符串</span></li>
   </ul>
  </p>
 </div>


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